High-quality materials: The pop-up sink plug is made of brass, and the lid is made of high-strength plastic, which is durable, explosion-proof, crack-proof, and rust-proof.Perfect compatibility: Suitable for 99% of sink drain holes, the inner diameter of the sink drain pipe is about 1.02 inches - 1.96 inches (26 mm - 50 mm), and the height is greater than 1.42 inches (36 mm), which is compatible with sinks and bathtubs of this size. Compatible with drain pipes for sinks or shower bathtubs.Exquisite design: Press the top faucet, the pop-up bathtub drain plug can be freely switched between pop-up and closed. The sink plug features an anti-clogging basket to prevent the sewer from getting stuck in hair and filter out garbage.One-button quick drain: The sink drain plug features a beautiful spherical core push-in shape. Its rebound resistance is good, and the water can be quickly closed and drained with the push of a button. Very convenient and fast. The thickened, graduated silicone seal structure eliminates the peculiar smell of the sewer and allows you to enjoy the fresh air at home.